Thanks Cando and Merlin,
I shouldn't be deviating to the Ross family yet until I get my German ancestry sorted out first but the Ross is on my wifes side and today I got some information that a John Ross came out from the Isle of Skye in 1853 into Victoria and he was the brother of Alexander Ross who was one of many who had died on board the Ontario the following year on its way to NSW. Alexander's wife Flora survived along with 3 children with John (15) dying in Quarantine in Sydney.
With the valuable information you have provided I now know John's parents and Flora's parents so I'll be able to do some research back in Skye with the censuses and try and find the correct Ross family, Nicholson family and McDonald family, but there are many families with the same surnames so it will be hard.
Great job with the information you have provided, thanks
Regards
Gerry